Does A Garage Attic Have Humidity
Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem.
Does a garage attic have humidity. By scott gibson march 18 2019. If the relative humidity level in your attic continues to move in concert with the levels recorded outside the house as it does now you re in good shape. Garage condensation results from moisture in the air. Moving your dryer oven and bath exhaust vents to the outdoors can cut garage humidity significantly.
Even when a spray foam contractor does everything right you might still have high humidity in your attic. The normal indoor humidity range in winter should be 15. At higher levels relative humidity condensation can even occur inside of the house on windows cold walls or ceiling surfaces. Increasing ventilation is one of the best ways to reduce moisture and humidity in your garage and it is also one of the easiest and most cost effective methods.
This will help allow moisture trapped in the space to leave whenever possible. If you have a utility sink or other source of moisture in your garage consult a contractor. If they re elevated even though the. Depending on how tight a house is constructed and the outside temperature even a relative humidity of 30 percent may be too high.
When that moisture makes contact with a cold surface water droplets accumulate and lay the groundwork for potentially serious issues. Things have been ok low energy bills house very comfortable. Excess condensation and humidity levels in your garage have a negative affect on your home. High humidity in the attic insulating the underside of the roof deck solves one problem and creates another.
Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. Help purchased home 8 years ago with 2 power attic vents. The insulation on the floor of your attic needs to have an approved vapor barrier. Start by keeping your garage doors and windows open whenever you can.
After that put a little humidistat in your attic and check it every once in awhile to make sure everything is gravy.